3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = 2; $c = 3; $d = 4; echo $a ?? $b ?? $c ?? $d;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00816.63
8.3.50.0110.01022.04
8.3.40.0110.00418.54
8.3.30.0030.01118.35
8.3.20.0080.00020.26
8.3.10.0000.00823.54
8.3.00.0040.00419.78
8.2.180.0230.00016.50
8.2.170.0040.01122.96
8.2.160.0130.00020.46
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.45
8.2.120.0050.00326.35
8.2.110.0140.00720.53
8.2.100.0090.00317.80
8.2.90.0050.00319.22
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0000.01020.46
8.2.30.0000.00720.47
8.2.20.0030.00617.73
8.2.10.0050.00217.99
8.2.00.0070.00017.86
8.1.280.0100.01025.92
8.1.270.0040.00420.38
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0090.00022.10
8.1.230.0120.00017.64
8.1.220.0080.00017.79
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.25
8.1.180.0030.00618.10
8.1.170.0030.00518.58
8.1.160.0000.00720.68
8.1.150.0040.00418.75
8.1.140.0050.00319.46
8.1.130.0030.00317.54
8.1.120.0030.00317.36
8.1.110.0030.00317.39
8.1.100.0000.00717.43
8.1.90.0000.00817.29
8.1.80.0050.00217.39
8.1.70.0060.00317.35
8.1.60.0000.00717.52
8.1.50.0040.00417.48
8.1.40.0060.00317.34
8.1.30.0030.00617.57
8.1.20.0080.00017.49
8.1.10.0040.00417.42
8.1.00.0050.00317.43
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0040.00418.45
8.0.270.0000.00817.12
8.0.260.0000.00617.23
8.0.250.0030.00316.84
8.0.240.0030.00616.98
8.0.230.0070.00416.73
8.0.220.0040.00416.79
8.0.210.0000.00616.83
8.0.200.0030.00416.88
8.0.190.0030.00616.74
8.0.180.0040.00416.73
8.0.170.0040.00416.88
8.0.160.0070.00016.86
8.0.150.0000.00816.78
8.0.140.0080.00416.72
8.0.130.0000.00513.24
8.0.120.0050.00316.78
8.0.110.0040.00416.75
8.0.100.0000.00716.83
8.0.90.0040.00416.91
8.0.80.0130.00716.78
8.0.70.0000.00716.64
8.0.60.0000.00716.78
8.0.50.0070.00016.86
8.0.30.0070.00716.91
8.0.20.0150.00617.40
8.0.10.0040.00416.96
8.0.00.0100.00816.81
7.4.330.0000.00516.66
7.4.320.0000.00616.53
7.4.300.0000.00716.56
7.4.290.0030.00316.57
7.4.280.0040.00416.46
7.4.270.0040.00416.30
7.4.260.0000.00716.43
7.4.250.0030.00516.49
7.4.240.0040.00316.42
7.4.230.0070.00016.61
7.4.220.0100.01316.46
7.4.210.0090.00616.38
7.4.200.0040.00416.34
7.4.160.0090.00616.56
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0130.00716.40
7.4.120.0080.00916.41
7.4.110.0140.00416.68
7.4.100.0100.00716.34
7.4.90.0130.00316.33
7.4.80.0090.00919.39
7.4.70.0080.00816.46
7.4.60.0090.00616.44
7.4.50.0030.01216.52
7.4.40.0100.01016.35
7.4.30.0050.01316.29
7.4.00.0050.01214.86
7.3.330.0000.00513.12
7.3.320.0050.00012.95
7.3.310.0030.00316.13
7.3.300.0070.00016.03
7.3.290.0050.00916.18
7.3.280.0100.00816.30
7.3.270.0120.00617.40
7.3.260.0170.00016.30
7.3.250.0120.00716.23
7.3.240.0140.00516.21
7.3.230.0070.01016.39
7.3.210.0060.01016.34
7.3.200.0110.00716.40
7.3.190.0130.00316.20
7.3.180.0070.01116.18
7.3.170.0120.00616.35
7.3.160.0050.01116.36
7.3.120.0100.00714.38
7.3.110.0070.01114.56
7.3.100.0030.01014.38
7.3.90.0040.00814.91
7.3.80.0000.01414.65
7.3.70.0030.00914.68
7.3.60.0040.00814.82
7.3.50.0070.00714.75
7.3.40.0070.00714.76
7.3.30.0030.00714.80
7.3.20.0030.00916.65
7.3.10.0100.00316.48
7.3.00.0040.01116.48
7.2.330.0000.01816.57
7.2.320.0030.02016.64
7.2.310.0080.00816.65
7.2.300.0090.00916.19
7.2.290.0110.00716.70
7.2.250.0040.01414.75
7.2.240.0030.01615.18
7.2.230.0080.00915.13
7.2.220.0090.00915.15
7.2.210.0040.01114.95
7.2.200.0060.00914.91
7.2.190.0000.01214.71
7.2.180.0090.00314.80
7.2.170.0060.00315.00
7.2.60.0100.00316.70
7.2.00.0030.01219.14
7.1.330.0130.00015.53
7.1.320.0060.00315.47
7.1.310.0120.00315.40
7.1.300.0040.01115.57
7.1.290.0040.00415.54
7.1.280.0030.01015.64
7.1.270.0070.00715.42
7.1.260.0040.00815.62
7.1.200.0030.00615.60
7.1.100.0030.00717.92
7.1.70.0070.00317.04
7.1.60.0110.01119.44
7.1.50.0090.01216.86
7.1.00.0000.08022.27
7.0.200.0000.01016.59
7.0.60.0000.05019.79
7.0.50.0100.07717.82
7.0.40.0170.07720.03
7.0.30.0200.05720.19
7.0.20.0300.04720.01
7.0.10.0030.07020.01
7.0.00.0070.04720.17
5.6.280.0000.03320.86
5.6.210.0130.06320.46
5.6.200.0130.07718.23
5.6.190.0030.07320.39
5.6.180.0270.07720.47
5.6.170.0370.07320.44
5.6.160.0100.08020.52
5.6.150.0070.08018.21
5.6.140.0030.05018.27
5.6.130.0030.05318.23
5.6.120.0100.08020.98
5.6.110.0030.05720.99
5.6.100.0100.05721.10
5.6.90.0100.06721.12
5.6.80.0000.07320.28
5.5.350.0200.07720.46
5.5.340.0000.04317.97
5.5.330.0100.06020.32
5.5.320.0430.05320.23
5.5.310.0200.07320.27
5.5.300.0100.04017.95
5.5.290.0130.06717.95
5.5.280.0070.09020.96
5.5.270.0030.07020.86
5.5.260.0070.08320.86
5.5.250.0070.08020.76
5.5.240.3430.04720.03

preferences:
54.37 ms | 401 KiB | 5 Q